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My hair is fairly easy to manage, but the one thing that’s the bane of my existence is frizz, making humidity my archnemesis. I have tried everything from deep conditioning masks to hydrating leave-ins, but alas, my hair type doesn’t cooperate. With sporadic weather patterns and the constant switch between thunderstorms to 90-degree sunshine within a day, my hair never stood a chance against summer humidity. A friend suggested trying out Color Wow’s Dream Coat Supernatural Spray ($20, originally $28), and after reading so many great reviews, I felt a slight glimmer of hope.

The Color Wow Dream Coat Supernatural Spray is supposed to act as a mini keratin treatment in a bottle, creating smooth and frizz-free hair with a silky-soft, glass-like, high-shine finish. It contains an anti-humidity complex that does it all. It’s supposed to block humidity and prevent frizz, double as a heat protectant, and even act as a water-repellent for your hair. The cherry on top? The benefits are supposed to last up to three to four shampoos.

I initially tried the Color Wow Dream Coat Supernatural Spray while getting ready for an outdoor graduation party, and it had just rained. Luckily for me, my hair stayed sleek and smooth the whole night. In fact, my hair pretty much looked like I had just styled it. However, I wanted to put this to the ultimate test, handling the humidity and the heat of Miami, and it passed with flying colors. It’s currently 30 percent off for Amazon Prime Day, so make sure you stock up ASAP, because the sale only lasts through July 12.